4746821909 has 4 divisors (see below), whose sum is σ = 4746959904. Its totient is φ = 4746683916.

The previous prime is 4746821879. The next prime is 4746821929. The reversal of 4746821909 is 9091286474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4746821909 - 2¹² = 4746817813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4746821929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28934 + ... + 101640.

It is an arithmetic number, because the mean of its divisors is an integer number (1186739976).

Almost surely, 2^4746821909 is an apocalyptic number.

It is an amenable number.

4746821909 is a deficient number, since it is larger than the sum of its proper divisors (137995).

4746821909 is an equidigital number, since it uses as much as digits as its factorization.

4746821909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137994.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 4746821909 is about 68897.1836071693. The cubic root of 4746821909 is about 1680.6127192730.

The spelling of 4746821909 in words is "four billion, seven hundred forty-six million, eight hundred twenty-one thousand, nine hundred nine".